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xbacklight(1)                                                    xbacklight(1)




NAME

       xbacklight - adjust backlight brightness using RandR extension


SYNOPSIS

       xbacklight [-help]  [-display display] [-get] [-set percent] [-inc per-
       cent] [-dec percent]


DESCRIPTION

       Xbacklight is used to adjust the backlight brightness where  supported.
       It  finds  all  outputs on the X server supporting backlight brightness
       control and changes them all in the same way.

       -get   Print out the current backlight brightness of each  output  with
              such a control. The brightness is represented as a percentage of
              the maximum brightness supported.

       -set percent
              Sets each backlight brightness to the specified level.

       -inc percent
              Increases brightness by the specified amount.

       -dec percent
              Decreases brightness by the specified amount.

       -help  Print out a summary of the usage and exit.

       -version
              Print out the program version and exit.

       -time milliseconds
              Length of time to spend fading the backlight between old and new
              value.  Default is 200.

       -steps number
              Number of steps to take while fading. Default is 20.


SEE ALSO

       Xrandr(3)


AUTHORS

       Keith Packard, Open Source Technology Center, Intel Corporation.



X Version 11                   xbacklight 1.2.2                  xbacklight(1)

xbacklight 1.2.2 - Generated Wed Aug 29 18:10:19 CDT 2018
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